Jabra PRO 920 Duo Wireless Headset System, 920-69-508-105 | Compatible with business telephones including Avaya, Cisco, Mitel, NEC, Alacatel, Nortel, Shortel, Aastra, Lucent, Toshiba, Iwatsu
Jabra link EHS 14201-43 For Connecting Wireless to Cisco Phones - Headset World USA